Our understanding of human ancestry has changed dramatically since the discovery of Lucy the ancient hominin 50 years ago.

The thinking of early theorists was that our evolution was a coordinated, linear process. Our ancestors’ brains grew steadily ...

Fifty years ago, the discovery of a human ancestor "Lucy" generated worldwide attention. NPR's Scott Detrow speaks with paleoanthropologist Zeray Alemseged about the legacy of the discovery.

Welcome to This Day in History! Today, we take a moment to reflect on some significant events that have shaped our world on ...

Global participates of the 24th Great Ethiopian Run International were captivated by Addis Ababa’s transformative ...

Explore key historical events from Nov. 24-30: from JFK's assassin being shot on live TV, to the mysterious D.B. Cooper ...

It was exactly 50 years ago on Nov. 24, 1974 that white men from America, France and Britain on a scientific expedition in ...

The 3.2-million-year-old fossil, discovered 50 years ago, is considered to be one of the most significant early hominin ...

Lucy was discovered in 1974 in Ethiopia and when she was found 50 years ago, she was the oldest known human specimen in existence. The remains of the proto-human are 3.18-million-year-old and they ...

On November 20, 1998, the first piece of the International Space Station launched into orbit. The 42,000-pound module is called Zarya, and it's about the size of a tour bus. Zarya launched on board a ...

On the anniversary of Lucy’s discovery, paleoanthropologists reflect on what she means to science, and what she taught us ...

The 3.2-million-year-old human ancestor known as Lucy sparked a revolution in scientists’ understanding of the origins of ...